CN1934901A - Multifunction vibration actuator and portable terminal device - Google Patents
Multifunction vibration actuator and portable terminal device Download PDFInfo
- Publication number
- CN1934901A CN1934901A CNA2005800091885A CN200580009188A CN1934901A CN 1934901 A CN1934901 A CN 1934901A CN A2005800091885 A CNA2005800091885 A CN A2005800091885A CN 200580009188 A CN200580009188 A CN 200580009188A CN 1934901 A CN1934901 A CN 1934901A
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- China
- Prior art keywords
- suspension
- magnetic loop
- loop portion
- housing
- voice coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000725 suspension Substances 0.000 claims abstract description 67
- 239000012528 membrane Substances 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 19
- 230000003534 oscillatory effect Effects 0.000 claims description 14
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/07—Suspension between moving magnetic core and housing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention aims to accurately tune the frequency of vibration by means of a suspension during assembly. Securing planned positions (3e) where a magnetic circuit portion (2) is secured to a suspension (3) are provided near to each other. From among the securing planned positions (3e), a securing planned position (3e) corresponding to the characteristics of the suspension (3) to be mounted or the weight of the magnetic circuit portion (2) is selected, and they are secured to each other. Thus, the length from the securing position to the vibration center position of the suspension (3) and a housing (1) is varies so that the frequency may be tuned to a desired value.
Description
Technical field
The portable terminal that the present invention relates to a kind of multifunction oscillatory actuator and be equipped with this actuator, described multifunction oscillatory actuator is equipped on the portable terminals such as portable phone, small information communicating terminal, by an equipment by sound or the vibration with the call-in reporting user.In detail, relate to a kind of Mobyneb actuator, in housing, contain magnetic loop portion, relatively this magnetic loop portion of housing elastic bearing suspension (suspension), with the vibrating membrane of this relative configuration of magnetic loop portion be arranged on this vibrating membrane and insert the voice coil loudspeaker voice coil of the magnetic gap portion of magnetic loop portion, by flowing through the signal of vibration frequency to this voice coil loudspeaker voice coil, the fixing vibration of the suspension of magnetic loop portion is transmitted to the outside by housing.
Background technology
In the past, as this multifunction oscillatory actuator, following described structure is arranged: the yoke (yoke) of chimeric fixedly magnetic loop portion (magnetic loop) in the centre bore of suspension, the outer peripheral a plurality of tabs that uniformly-spaced are arranged on this suspension are embedded in the breach stage portion that is provided with in the framework that is bonded in housing (basket), and relative thus housing is the outward flange of suspension (for example with reference to patent documentation 1) fixedly.When making the signal code of voice signal flow through voice coil loudspeaker voice coil, the vibrating membrane vibration, send sound equipments such as ringtone, melody sound, sound, music, when flowing through the signal of vibration frequency, comprise the mechanical vibrating system vibration of magnetic loop and suspension, this vibration is delivered to the portable terminal integral body that is equipped with this Mobyneb actuator through housing.In addition, the yoke (following yoke) that makes magnetic loop portion is chimeric with the centre bore of suspension (leaf spring), fixes by laser welding, and the outward flange of this suspension is clipped in housing (case) and is embedded between wherein the dividing plate and fixes (for example with reference to patent documentation 2)
Patent documentation 1: the spy opens 2002-191092 communique (the 2nd page, Fig. 8-11)
Patent documentation 2: the spy opens flat 11-7286 communique (3-5 page or leaf, Fig. 2, Fig. 3)
Summary of the invention
In this multifunction oscillatory actuator,, need at length manage the weight of the vibrating body that characteristic, magnetic loop portion and the suspension of suspension constituted for precision cooperates the vibration frequency of suspension well.Yet the characteristic of suspension is according to easy delicate variations such as the fine difference of each material of making batch or dimensional tolerances, and the weight that constitutes the magnet of magnetic loop portion or yoke etc. is also according to the delicate variations such as dimensional tolerance of making batch.Yet, in multifunction oscillatory actuator in the past, do not consider that above-mentioned variation is wanted thereby fetch with assigned position fixedly suspension and magnetic loop portion by bonding or Laser Welding, thereby always be necessarily from this fixed position to the length of the fixed position of the relative housing of this suspension, be difficult to adjust the vibration frequency of suspension in its assembling stage.Its result, if the vibration frequency value of departing from objectives, the acceleration that obtains during then actual the use diminishes, and obtains finishing Products Quality because the deviation of parts precision causes stablizing, and therefore exists manufacturing cost than problems such as height.
Among the present invention first invention and the 3rd invention of quoting it, its purpose are that in assembling precision cooperates the vibration frequency of suspension well.Second invention and the 3rd invention of inventing of quoting it, outside the goal of the invention of first invention, its purpose also is, carries out high speed and fixing accurately with simple adjustment structure.
To achieve these goals, first invention of the present invention, it is characterized in that, mutual fixedly precalculated position of closely preparing a plurality of magnetic loop portions and suspension, fix the length of the centre of oscillation position of change by fixedly select the fixedly precalculated position corresponding the precalculated position from these from this fixed position to this suspension and housing with the weight of the characteristic of the suspension that carries, magnetic loop portion.The formation of second invention of the present invention in the formation of first invention, is characterized in that the said fixing precalculated position is the laser welding through hole that is opened on the suspension, changes laser irradiating position and carries out laser welding towards these through holes.The 3rd invention is a kind of portable terminal, it is characterized in that, built-in first invention and the described multifunction oscillatory actuator of second invention, by receiving the exhalation signal, make above-mentioned vibrating membrane and, comprise in the mechanical vibrating system of magnetic loop portion and suspension that any one party or two sides vibrate, the vibration of this mechanical vibrating system is passed to equipment integral through housing,, the vibration of vibrating membrane and mechanical vibrating system is stopped by resetting of above-mentioned exhalation signal.
First the 3rd invention of inventing and quoting it among the present invention, mutual fixedly precalculated position of closely preparing a plurality of magnetic loop portions and suspension, fixedly select the precalculated position the fixedly precalculated position corresponding to fix from these with the weight of the characteristic of the suspension of lift-launch, magnetic loop portion, thus, change the length of position, the centre of oscillation to cooperate desired frequency from this fixed position to this suspension and housing.Therefore, vibration frequency that can precision is harmonized suspension well in assembling.Its result owing to can reduce to make at each the deviation of parts precision of suspension, the magnetic loop portion of batch generation, thereby can stablize and obtains finishing Products Quality, can reduce manufacturing cost.
Second invention and the 3rd invention of quoting it, outside the invention effect of first invention, change laser irradiating position and carry out laser welding with through hole 3e towards the laser welding that is opened on the suspension 3, thus, can carry out high speed and fixing accurately with simple adjustment structure.Therefore, can and fix exactly with simple adjustment structure high speed.Its result can further reduce manufacturing cost.
Description of drawings
Fig. 1 is the vertical profile front view of the multifunction oscillatory actuator of expression one embodiment of the present of invention.
Fig. 2 is that it dwindles vertical view.
Fig. 3 is the vertical profile front view of the state that decomposes according to assembling sequence of expression.
Fig. 4 is the ground plan that dwindles that expression is fixed on suspension state in the magnetic loop portion.
Fig. 5 is a decomposition diagram.
Label declaration
The A multifunction oscillatory actuator
1 housing
2 magnetic loop portions
2a magnetic gap portion
3 suspensions
3e is precalculated position (through hole that laser welding is used) fixedly
4 vibrating membranes
5 voice coil loudspeaker voice coils
Embodiment
One embodiment of the present of invention below are described with reference to the accompanying drawings.Multifunction oscillatory actuator A of the present invention such as Fig. 1~shown in Figure 5, in housing 1 cylindraceous, have: magnetic loop portion 2, flexibly support the suspension 3 of this magnetic loop portion 2 from the below, vibrating membrane 4 with these magnetic loop portion 2 relative configurations, with be fixed on this vibrating membrane 4 and insert voice coil loudspeaker voice coil 5 among the 2a of magnetic gap portion of ring-type of magnetic loop portion 2, to these voice coil loudspeaker voice coil 5 input audio signals, then vibrating membrane 4 little vibrations, send ringtone, the melody sound, sound, sound equipments such as music, in addition, when flowing through the signal code of vibration frequency 120~160Hz, the mechanical vibrating system with the weight that comprises magnetic loop portion 2 and suspension 3 is significantly vibrated.
At the opposing party's openend 1b of these housings 1 with cover between 6, sandwich and be fixed in magnetic the outer edge 3a of the suspension in the road portion 23 with the endless member 7 of strain can take place, relatively the fixing outer edge 3a of suspension 3 of the opposing party's openend 1b crimping of housing 1.
This endless member 7 for example is the O ring that the elastomeric material by synthetic rubber etc. is shaped, as Fig. 1, Fig. 3 and shown in Figure 5, towards the bottom periphery configuration of the outer edge of suspension 3 3a along cover 6.And, preferably prepare the multiple different parts or the different parts of hardness of size of thickness direction up and down as endless member 7, in them, according to circumstances select.
In the bonding part of these housings and cover 6, be provided with by mutual near the fastening device 8 that carries out chimeric fastening.In the present embodiment, as Fig. 3 and shown in Figure 5, the bottom week sidewall 1c that is formed with the side perisporium 6a of cover 6 of round-ended cylinder shape and housing 1 is chimeric structure mutually, along the circumferential direction equally spaced forms a plurality of fastening protuberance 8a and fastening recess 8b respectively as above-mentioned fastening device 8 on these chimeric surfaces.
In illustrated example, make the internal diameter of side perisporium 6a of the external diameter of bottom week sidewall 1c of housing 1 and cover 6 roughly the same and chimeric, and the outer surface of sidewall 1c is provided with fastening protuberance 8a in the bottom week of housing 1, connect at the inner surface of the side perisporium 6a of the cover relative 6 and to offer fastening recess 8b with it, but the shape of above-mentioned inserted structure and fastening device 8 is not limited to schematic structure, as long as have same function, also can wait other structures, shape for fastening protuberance 8a and fastening recess 8b dispose on the contrary.
Say in more detail, as shown in Figure 4 and Figure 5, a plurality of positions at the 3c of annulus portion, as fixing precalculated position, equally spaced offer the through hole 3e that a plurality of laser that laser welding is used pass through in advance, from these a plurality of through hole 3e, select characteristic with the suspension 3 that carries, the through hole 3e of the weight correspondence of magnetic loop portion 2, change laser irradiating position and carry out laser welding towards these through holes 3e, change thus from this laser welding position to the outer edge 3a of the suspension 3 of the opposing party's openend 1b that is fixed in housing 1, also be the length of position, the centre of oscillation, the desired frequency of vibration of harmonizing this suspension 3 well with precision.
Vibrating membrane 4 is for example formed the oscillating plate of the flat circle shape that is fit to thickness by the plastic film elastomeric material of Merlon, Polyetherimide, polyimides, PETG, near inner peripheral surface along housing 1 its neighboring is bent, being bent to form circular rising portions 4b, and be bent to form the peripheral part 4a that extends in parallel from the tabular surface of side's openend 1a of this rising portions 4b and housing 1.
And then, radius at vibrating membrane 4 roughly forms circular installation portion 4c in the centre position, in its inside by the fixing end face of voice coil loudspeaker voice coil 5 such as binding agent, and the 2a of magnetic gap portion of the ring-type of insertion magnetic loop portion 2, clip this coil installation portion 4c is bent to form the concentric circles of giving prominence to foreign side respectively at central side and outer circumferential side curved face part 4d, 4e.
Voice coil loudspeaker voice coil 5 is wound into cylindric, as shown in Figure 2, its lead 5 is sticked on the inside of above-mentioned vibrating membrane 4 by binding agent etc., and make it not be subjected to the influence of the vibration of vibrating membrane 4, the front end of this lead 5a is derived to the terminal board 1d in the outside that is arranged on above-mentioned housing 1, and join on the terminal fittings 1e that is arranged on this terminal board 1d by electricity such as soldering or pressure weldings.
Above-mentioned magnetic loop portion 2 overlapping yoke 9, discoid magnet 10, discoid pole piece 11 and constitute on concentric shafts.
Yoke 9 has formed the round-ended cylinder shape with magnetic material, its outer peripheral face 9a separates minim gap with the inner peripheral surface that is positioned at relative housing 1, and (for example the mode of 0.05~0.2mm) position forms, and, form the bearing surface 9b relative with the 1f of circular step portion of the inner peripheral surface that is formed at housing 1, both butts when the vibration of magnetic loop portion 2, restriction magnetic loop portion 2 is owing to moving that external impact produces.
And then, in the present embodiment,, being formed on this protuberance 9c recess 9d on every side at the lower surface formation of yoke 9 and the chimeric protuberance 9c of centre bore 3b of suspension 3, butt has the 3c of annulus portion of suspension 3 and fixes by one such as laser welding.As required, also can cave in bottom center is provided with the spot-facing portion (not shown) have with the roughly the same diameter of diameter of magnet 10, so that this magnet 10 is positioned.
Above-mentioned pole piece 11 forms roughly the samely or also big more discoid than it with the diameter of above-mentioned magnet 10, and the setting of can caving in the bottom surface as required has the spot-facing portion (not shown) with the roughly the same diameter of diameter of this magnet 10, so that magnet 10 is positioned.More preferred spot-facing portion by this spot-facing portion and above-mentioned yoke 9 sandwiches magnet 10, limit magnet 10 dislocation radially thus.
Then, the assemble method to described multifunction oscillatory actuator A describes in order.As shown in Figure 3, at first vibrating membrane 4 and voice coil loudspeaker voice coil 5 one are installed on the housing 1, by laser welding suspension 3 is welded on the yoke 9 of magnetic loop portion 2 and whole integrated, in the cover 6 that the round-ended cylinder shape is arranged, adds endless member 7, along its side perisporium 6a mounting with magnetic loop portion 2.
And then, during the 3c of annulus portion of the yoke 9 of laser welding magnetic loop portion 2 and suspension 3, need corresponding at least each make batch, the characteristic of the suspension 3 that investigation is carried, the weight of magnetic loop portion 2, select the through hole 3e corresponding with it, change laser irradiating position and carry out laser welding towards this through hole, change thus from this laser welding position to the length of the position, the centre of oscillation of this suspension 3 and housing, desired frequency, its result of vibration that suspension 3 harmonize well with precision, can be in assembling precision cooperate the frequency of suspension vibration well.
On this endless member 7, the outer edge 3a of overlapping and magnetic loop portion 2 incorporate suspensions 3, the housing 1 that vibrating membrane 4 and voice coil loudspeaker voice coil 5 are installed is fallen by the side from it, between its opposing party's openend 1b and above-mentioned cover 6, sandwiches the outer edge 3a and the endless member 7 of suspension 3.
Thus, the side perisporium 6a of the bottom of shell 1 week sidewall 1c and cover 6 mutually near and chimeric in, be arranged on the fastening protuberance 6a and the chimeric fastening of fastening recess 6b of the fastening device 8 on the two, the parts that the one assembling is whole, be housing 1, magnetic loop portion 2, suspension 3, vibrating membrane 4, voice coil loudspeaker voice coil 5, cover 6 and endless member 7, finish assembling.
Therefore, can not use fixing means such as binding agent, mould molding, welding and stationary housing 1 and suspension 3, even and grant impact from housing 1 outside, endless member 7 also can compression and is absorbed impact.Its result can reduce work hours and cost, and the characteristic variations that impact causes such as can prevent to fall, and can make the frequency characteristic of vibration become smooth.And then, can change the crimp force of the outer edge 3a of relative suspension 3 by changing size, the hardness of endless member 7, can adjust resonance frequency thus.
In the above-described embodiments, represented from the below by the situation of suspension 3 elastic bearing magnetic loop portions 2, but be not limited thereto, for example suspend magnetic loop portion 2 in midair and supporting etc. by suspension 3 from the top, the installation direction that changes magnetic loop portion 2 and suspension 3 also can obtain above-mentioned action effect.And then, the structure and the shape of the housing of describing in the foregoing description 1, magnetic loop portion 2, suspension 3, vibrating membrane 4, voice coil loudspeaker voice coil 5, cover 6 and endless member 7 are not limited to illustrated structure, as long as have and the above-mentioned functions identical functions, also can be other structure and shape.
Claims (3)
1. multifunction oscillatory actuator, in housing (1), contain: magnetic loop portion (2), the suspension (3) of relative this magnetic loop portion (2) of housing (1) elastic bearing, vibrating membrane (4) with this relative configuration of magnetic loop portion (2), this vibrating membrane (4) is gone up and the voice coil loudspeaker voice coil (5) of the magnetic gap portion (2a) of insertion magnetic loop portion (2) with being arranged on, by flow through the signal of vibration frequency to this voice coil loudspeaker voice coil (5), fixedly the vibration of the suspension (3) of magnetic loop portion (2) is transmitted to the outside by housing (1), it is characterized in that
Closely prepare the fixedly precalculated position (3e) of a plurality of described magnetic loop portions (2) and suspension (3) mutually, by fixedly selecting precalculated position (3e) the fixedly precalculated position (3e) corresponding to fix from these with the weight of the characteristic of the suspension (3) that carries, magnetic loop portion (2), change from this fixed position to the length of the position, the centre of oscillation of this suspension (3) and housing (1).
2. multifunction oscillatory actuator as claimed in claim 1 is characterized in that, described fixedly precalculated position (3e) is the laser welding through hole that is opened on the suspension (3), changes laser irradiating position and carries out laser welding towards these through holes (3e).
3. portable terminal, it is characterized in that, built-in claim 1 or 2 described multifunction oscillatory actuators (A), by the exhalation signal, make described vibrating membrane (3) and, comprise in the mechanical vibrating system of magnetic loop portion (2) and suspension (5) that any one party or two sides vibrate, the vibration of this mechanical vibrating system is passed to equipment integral through housing (1),, the vibration of vibrating membrane (3) and mechanical vibrating system is stopped by resetting of described exhalation signal.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004082330A JP4475993B2 (en) | 2004-03-22 | 2004-03-22 | Multi-function vibration actuator and portable terminal device |
JP082330/2004 | 2004-03-22 | ||
PCT/JP2005/004910 WO2005091674A1 (en) | 2004-03-22 | 2005-03-18 | Multifunction vibration actuator and portable terminal device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1934901A true CN1934901A (en) | 2007-03-21 |
CN1934901B CN1934901B (en) | 2012-08-08 |
Family
ID=34994093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800091885A Expired - Fee Related CN1934901B (en) | 2004-03-22 | 2005-03-18 | Multifunction vibration actuator and portable terminal device |
Country Status (8)
Country | Link |
---|---|
US (1) | US7528509B2 (en) |
EP (1) | EP1742504B1 (en) |
JP (1) | JP4475993B2 (en) |
KR (1) | KR100852033B1 (en) |
CN (1) | CN1934901B (en) |
DE (1) | DE602005021213D1 (en) |
TW (1) | TW200533057A (en) |
WO (1) | WO2005091674A1 (en) |
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CN112237010A (en) * | 2018-08-13 | 2021-01-15 | 谷歌有限责任公司 | Actuator with reduced thickness |
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US7324655B2 (en) * | 2002-07-04 | 2008-01-29 | Nec Tokin Corporation | Electroacoustic transducer |
JP3891414B2 (en) * | 2002-07-05 | 2007-03-14 | シチズン電子株式会社 | Electroacoustic transducer manufacturing method |
EP1542497B1 (en) * | 2002-09-06 | 2011-11-02 | Namiki Seimitsu Houseki Kabushiki Kaisha | Loudspeaker with vibrating function for a portable terminal |
EP1562397B1 (en) * | 2002-10-24 | 2013-12-04 | Panasonic Corporation | Electroacoustic transducer with vibration function and its manufacturing method |
US7003130B2 (en) * | 2003-01-29 | 2006-02-21 | Samsung Electro-Mechanics Co., Ltd. | Resonance frequency correction method and vibration speaker |
JP2006203709A (en) * | 2005-01-24 | 2006-08-03 | Citizen Electronics Co Ltd | Oscillator |
-
2004
- 2004-03-22 JP JP2004082330A patent/JP4475993B2/en not_active Expired - Fee Related
-
2005
- 2005-02-05 TW TW094103969A patent/TW200533057A/en not_active IP Right Cessation
- 2005-03-18 DE DE602005021213T patent/DE602005021213D1/en active Active
- 2005-03-18 KR KR1020067018674A patent/KR100852033B1/en not_active IP Right Cessation
- 2005-03-18 WO PCT/JP2005/004910 patent/WO2005091674A1/en active Application Filing
- 2005-03-18 CN CN2005800091885A patent/CN1934901B/en not_active Expired - Fee Related
- 2005-03-18 EP EP05721097A patent/EP1742504B1/en not_active Expired - Fee Related
- 2005-03-18 US US10/592,958 patent/US7528509B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102714770A (en) * | 2009-12-21 | 2012-10-03 | 楼氏电子亚洲有限公司 | Suspension member for vibration actuator |
CN103116396A (en) * | 2011-11-16 | 2013-05-22 | 三星电机株式会社 | Haptic feedback device |
CN112237010A (en) * | 2018-08-13 | 2021-01-15 | 谷歌有限责任公司 | Actuator with reduced thickness |
CN112237010B (en) * | 2018-08-13 | 2022-02-25 | 谷歌有限责任公司 | Actuator, mobile device and wearable device |
Also Published As
Publication number | Publication date |
---|---|
US20070194633A1 (en) | 2007-08-23 |
CN1934901B (en) | 2012-08-08 |
DE602005021213D1 (en) | 2010-06-24 |
WO2005091674A1 (en) | 2005-09-29 |
TW200533057A (en) | 2005-10-01 |
KR100852033B1 (en) | 2008-08-13 |
JP4475993B2 (en) | 2010-06-09 |
TWI347081B (en) | 2011-08-11 |
JP2005269497A (en) | 2005-09-29 |
US7528509B2 (en) | 2009-05-05 |
EP1742504B1 (en) | 2010-05-12 |
EP1742504A4 (en) | 2008-05-21 |
EP1742504A1 (en) | 2007-01-10 |
KR20060123622A (en) | 2006-12-01 |
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